10DLC sender identity validation is the process carriers use to confirm that a business and its messaging use case are legitimate before allowing texts over dedicated 10-digit long codes.
It works by linking each phone number to a registered brand and campaign so carriers know who is sending messages and what type of content is being delivered.
Behind the scenes, it depends on business details like legal name, tax IDs, website, and industry, along with campaign descriptions, sample messages, and traffic volume estimates.
Carriers and registries cross-check this data, approve or reject campaigns, and assign trust scores that influence throughput and filtering.
For end users, this validation results in more consistent delivery, fewer spamlike texts, and clearer identification of which business is contacting them.
of texts are read immediately
of consumers want to text businesses
of consumers said they have tried to text a business
10DLC sender identity validation works best when the details you submit match the details your customers see in every SMS.
If the registered brand name, website, and sample messages line up with your real-world communications, recipients quickly recognize your texts as legitimate and relevant.
Keeping registration data accurate and up to date is essential, especially when your business name, address, or primary use cases change.
In real campaigns, it helps to write live messages that closely follow what you described in your application, including tone, frequency, and content type.
Sudden shifts in topics, aggressive sales language, or off-brand links can look suspicious to both carriers and customers, even if your registration is technically valid.
Common pitfalls include copying generic templates, guessing at traffic volumes, or letting different teams send conflicting messages from the same number.
Consistent wording, well-structured opt-in and opt-out language, and disciplined use of tracking links all support a professional, reliable sender identity over time.
The Textellent Messenger is a Chrome extension that lets your team text inside the apps you already use—no code, no tab-switching. View full conversation history, reuse approved templates and media, and keep replies organized in a shared inbox.
Textellent integrates with 800+ apps—CRMs, schedulers, forms, and payment platforms—so data flows in and texts go out at the perfect moment. Map fields once, tag contacts consistently, and keep systems in sync.
Turn common events into automatic SMS touchpoints: new leads, appointments, payments, status changes, and more. Build simple, rules-based flows that send the right text and follow-ups without manual work.
The Franchisor Module gives franchisors clear visibility across locations while empowering franchisees to execute consistent, on-brand texting that drives growth. Scale what works and spot where support is needed—fast.
Instantly polish your texts and translate them into different languages, making communication faster and more accessible.
Keep conversations moving on the go. The Textellent Mobile app brings your shared inbox to iOS & Android with real-time push notifications, quick-reply templates and media, conversation assignment, and full sync to your CRM—so nothing slips through when you’re away from your desk.
